WO2007036661A1 - Device for driving a windscreen wiper equipped with a drop-breaker - Google Patents

Device for driving a windscreen wiper equipped with a drop-breaker Download PDF

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Publication number
WO2007036661A1
WO2007036661A1 PCT/FR2006/050924 FR2006050924W WO2007036661A1 WO 2007036661 A1 WO2007036661 A1 WO 2007036661A1 FR 2006050924 W FR2006050924 W FR 2006050924W WO 2007036661 A1 WO2007036661 A1 WO 2007036661A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting rod
crank
drip
windscreen wiper
driving
Prior art date
Application number
PCT/FR2006/050924
Other languages
French (fr)
Other versions
WO2007036661A8 (en
Inventor
Guillaume Deysson
Cédric Vigneau
Philippe Perreux
Michael Pin
Original Assignee
Renault S.A.S
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Renault S.A.S filed Critical Renault S.A.S
Priority to JP2008532834A priority Critical patent/JP5100653B2/en
Priority to EP06831212A priority patent/EP1931543B1/en
Priority to CN2006800355888A priority patent/CN101272940B/en
Priority to DE602006016140T priority patent/DE602006016140D1/en
Priority to AT06831212T priority patent/ATE477151T1/en
Publication of WO2007036661A1 publication Critical patent/WO2007036661A1/en
Publication of WO2007036661A8 publication Critical patent/WO2007036661A8/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/18—Means for transmitting drive mechanically
    • B60S1/24—Means for transmitting drive mechanically by rotary cranks

Definitions

  • the invention relates to a wiper drive device, of the type comprising at least two drive members consisting of a connecting rod and a crank driving the axis of a wiper blade. window.
  • the object of the invention is to solve this problem.
  • the invention achieves its goal by proposing to place on the rod and / or the crank a drip system at a location remote from the overhang of said air intake scoop.
  • one or localized drips make it possible to decide in advance that the drops will form at a specific location away from the plumb of the bailer, so as not to risk entering the circuits.
  • the drip is constituted by a break in the surface of the organ where they are arranged, including a steep relief formed on this surface, or a cut in the surface or in the edges of the surface.
  • the drip is constituted by two protruding lugs separated by a few millimeters and placed under the lower surface of the connecting rod.
  • FIG 1 is a schematic perspective view of the drive device windscreen wipers of a motor vehicle, seen from above.
  • FIG. 2 is a partial diagrammatic perspective view of the same elements as FIG. 1, seen from the side.
  • the wiper drive device of the windshield of a vehicle typically comprises a frame 1 supporting two fixed arms 2 each carrying at one end the support-bearing 3 of the axis 4 of a wiper blade. window.
  • This axis 4 is rotated alternately by a crank 5 with two elbows, itself driven by a connecting rod 6 articulated on one side on said crank 5 and the other on an axis 7 driven in alternative translation (va-and - comes) by a motor 8 carried on the frame 1.
  • the connecting rod 6 on the passenger side passes partly above the air intake scoop 10 of the ventilation system and heating of the vehicle.
  • a drip placed in a place that allows the stream of water to rupture in a region other than the region overlooking the scoop 10; the water will then fall into a defined area of the water box, without risk.
  • the drip can be installed on the passenger connecting rod 6 and / or on the passenger crank 5. It generally consists in breaking the continuous surfaces of the member concerned (connecting rod or crank) so as to force the net of water to break in drops. This break can take for example the form of lugs arranged on the surface of the organ, or small cuts of the edges of the organ concerned.
  • the pusher system 12 is disposed on the passenger connecting rod 6 in a region of the rod that is still distant from the scoop 10. It consists of at least one spur, preferably two spurs. protrusions 13, arranged under the connecting rod 6, for example as shown in Figure 3, where the water is conveyed by capillarity.
  • the lug or pins 13 break the path of the stream of water and force it to fall to a specific location remote from the scoop 10. These lugs 13 placed under the lower surface of the connecting rod 13 do not change the mechanical characteristics of the connecting rod. (inertia of the "U", rigidity, functioning). The two lugs can form two sharp angles (for example 90 °) spaced a few millimeters, causing the water to flow to the right of the lugs.
  • the drip system 12 ' is placed on the passenger crank 5: the principle is to break the edges of the crank 5, by one or more small cuts 13' for example in a circular arc, on the part of the crank 5 closest to the axis 4.
  • a cutout 13 'on each of the two edges of the crank is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Transmission Devices (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Coating Apparatus (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention concerns a device for driving motor vehicle windscreen wiper, of the type comprising at least two drive members consisting of a connecting rod (6) and a crank (5) driving the shaft (4) of a windscreen wiper blade, some parts of the connecting rod (6) and/or of the crank (5) passing above an air inlet scoop (10) of the vehicle ventilating and heating system. The invention is characterized in that it comprises a drop-breaker (12) arranged on the connecting rod (6) and/or the crank (5) at a location spaced apart overhanging said air inlet scoop (10).

Description

Dispositif d'entraînement d' essuie- vitre muni d'un casse-goutte Windshield wiper drive with drip pusher
L'invention concerne un dispositif d'entraînement d'essuie-vitre, du type comprenant au moins deux organes d'entraînement constitués d'une bielle et d'une manivelle d'entraînement de l'axe d'un balai d'essuie-vitre.The invention relates to a wiper drive device, of the type comprising at least two drive members consisting of a connecting rod and a crank driving the axis of a wiper blade. window.
Du côté passager, il arrive que compte tenu de l'exiguïté des lieux, certaines parties de la bielle et/ou de la manivelle passent au-dessus de l'écope d'entrée d'air du système d'aération et de chauffage. La Demanderesse a découvert qu'il y avait parfois dans les conduits de chauffage des entrées d'eau risquant de se pulvériser dans l'habitacle quand la ventilation est en marche.On the passenger side, it happens that given the small size of the premises, some parts of the connecting rod and / or the crank pass over the air intake scoop of the ventilation and heating system. The Applicant has discovered that there are sometimes in the heating ducts entries of water likely to spray in the passenger compartment when the ventilation is running.
Le but de l'invention est de résoudre ce problème. L'invention atteint son but en proposant de placer sur la bielle et/ou la manivelle un système casse-goutte à un endroit éloigné du surplomb de ladite écope d'entrée d'air.The object of the invention is to solve this problem. The invention achieves its goal by proposing to place on the rod and / or the crank a drip system at a location remote from the overhang of said air intake scoop.
La Demanderesse a en effet analysé que ces entrées d'eau dans les conduits de chauffage étaient dues au phénomène suivant : de l'eau chemine par capillarité à la surface inférieure des organes d'entraînement (manivelle et bielle) depuis l'axe d'essuie-vitre. Lors du mouvement desdits organes au- dessus de l'écope, de l'eau qui ruisselle peut être aspirée et être entraînée dans les conduits de chauffage.The Applicant has in fact analyzed that these water inlets in the heating ducts were due to the following phenomenon: water travels by capillary action to the lower surface of the drive members (crank and connecting rod) from the axis of wiper. During the movement of said members above the bailer, runoff water can be sucked into and driven into the heating ducts.
Grâce à l'invention, un ou des casse-gouttes localisés permettent de décider à l'avance que les gouttes se formeront à un endroit déterminé éloigné de l'aplomb de l'écope, de manière à ne pas risquer d'entrer dans les circuits.Thanks to the invention, one or localized drips make it possible to decide in advance that the drops will form at a specific location away from the plumb of the bailer, so as not to risk entering the circuits.
Avantageusement, le casse-goutte est constitué par une rupture de la surface de l'organe où ils sont disposés, notamment un relief abrupt formé sur cette surface, ou un découpe dans la surface ou dans les arêtes de la surface.Advantageously, the drip is constituted by a break in the surface of the organ where they are arranged, including a steep relief formed on this surface, or a cut in the surface or in the edges of the surface.
Avantageusement, le casse-goutte est constitué de deux ergots saillants séparés par quelques millimètres et placés sous la surface inférieure de la bielle.Advantageously, the drip is constituted by two protruding lugs separated by a few millimeters and placed under the lower surface of the connecting rod.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante, en référence aux dessins annexés sur lesquels :Other features and advantages of the invention will appear on reading the following description, with reference to the appended drawings in which:
-la figure 1 est une vue en perspective schématique du dispositif d'entraînement des essuie-vitres d'un véhicule automobile, vue du dessus.FIG 1 is a schematic perspective view of the drive device windscreen wipers of a motor vehicle, seen from above.
-la figure 2 est une vue en perspective schématique partielle des mêmes éléments que la figure 1, vue de côté. Le dispositif d'entraînement de l'essuie-vitre du pare-brise d'un véhicule comporte typiquement un châssis 1 supportant deux bras fixes 2 portant chacun à une extrémité le support-palier 3 de l'axe 4 d'un balai essuie- vitre. Cet axe 4 est entraîné en rotation alternée par une manivelle 5 à deux coudes, elle-même entraînée par une bielle 6 articulée d'un côté sur ladite manivelle 5 et de l'autre sur un axe 7 entraîné en translation alternative (va-et- vient) par un moteur 8 porté sur le châssis 1. La bielle 6 du côté passager passe en partie au-dessus de l'écope d'entrée d'air 10 du système d'aération et de chauffage du véhicule.FIG. 2 is a partial diagrammatic perspective view of the same elements as FIG. 1, seen from the side. The wiper drive device of the windshield of a vehicle typically comprises a frame 1 supporting two fixed arms 2 each carrying at one end the support-bearing 3 of the axis 4 of a wiper blade. window. This axis 4 is rotated alternately by a crank 5 with two elbows, itself driven by a connecting rod 6 articulated on one side on said crank 5 and the other on an axis 7 driven in alternative translation (va-and - comes) by a motor 8 carried on the frame 1. The connecting rod 6 on the passenger side passes partly above the air intake scoop 10 of the ventilation system and heating of the vehicle.
Si de l'eau ruisselle le long de la bielle passager 6, elle risque d'être aspirée par l'écope d'entrée d'air 10. Une telle entrée d'eau dans l'écope entraîne de l'eau dans les conduits de chauffage puis dans l'habitacle lorsque le conducteur met la ventilation en route, avec phénomène de pulvérisation.If water flows along the passenger connecting rod 6, it may be sucked by the scoop air inlet 10. Such a water inlet into the scoop causes water in the ducts heating then in the cockpit when the driver starts the ventilation, with spraying phenomenon.
Selon l'invention, il est prévu un casse-goutte placé à un endroit qui permet au filet d'eau de se rompre dans une région autre que la région en surplomb de l'écope 10 ; l'eau tombera alors dans une zone définie de la boîte à eau, sans risque.According to the invention, there is provided a drip placed in a place that allows the stream of water to rupture in a region other than the region overlooking the scoop 10; the water will then fall into a defined area of the water box, without risk.
Le casse-goutte peut être installé sur la bielle passager 6 et/ou sur la manivelle passager 5. Il consiste d'une manière générale en une rupture des surfaces continues de l'organe concerné (bielle ou manivelle) de manière à forcer le filet d'eau à se casser en gouttes. Cette rupture peut prendre par exemple la forme d'ergots disposés sur la surface de l'organe, ou de petites découpes des arêtes de l'organe concerné. Selon un premier mode de réalisation représenté figure 1, le système casse-goutte 12 est disposé sur la bielle passager 6 dans une région de la bielle toujours éloignée de l'écope 10. Il est constitué par au moins un ergot, de préférence deux ergots saillants 13, disposés sous la bielle 6, par exemple comme représenté en figure 3, là où l'eau est véhiculée par capillarité. Le ou les ergots 13 brisent le chemin du filet d'eau et la forcent à tomber à un endroit déterminé éloigné de l'écope 10. Ces ergots 13 placés sous la surface inférieure de la bielle 13 ne modifient pas les caractéristiques mécaniques de la bielle (inertie du « U », rigidité, fonctionnement). Les deux ergots peuvent former deux angles vifs (par exemple de 90°) espacés de quelques millimètres, obligeant l'eau à couler au droit des ergots.The drip can be installed on the passenger connecting rod 6 and / or on the passenger crank 5. It generally consists in breaking the continuous surfaces of the member concerned (connecting rod or crank) so as to force the net of water to break in drops. This break can take for example the form of lugs arranged on the surface of the organ, or small cuts of the edges of the organ concerned. According to a first embodiment shown in FIG. 1, the pusher system 12 is disposed on the passenger connecting rod 6 in a region of the rod that is still distant from the scoop 10. It consists of at least one spur, preferably two spurs. protrusions 13, arranged under the connecting rod 6, for example as shown in Figure 3, where the water is conveyed by capillarity. The lug or pins 13 break the path of the stream of water and force it to fall to a specific location remote from the scoop 10. These lugs 13 placed under the lower surface of the connecting rod 13 do not change the mechanical characteristics of the connecting rod. (inertia of the "U", rigidity, functioning). The two lugs can form two sharp angles (for example 90 °) spaced a few millimeters, causing the water to flow to the right of the lugs.
Selon un second mode de réalisation, cumulable avec le premier mode de réalisation, le système casse-goutte 12' est placé sur la manivelle passager 5 : le principe consiste à casser les arrêtes de la manivelle 5, par une ou plusieurs petites découpes 13' par exemple en arc de cercle, sur la partie de la manivelle 5 la plus proche de l'axe 4. Avantageusement, il est prévu une découpe 13' sur chacune des deux arêtes de la manivelle. According to a second embodiment, cumulative with the first embodiment, the drip system 12 'is placed on the passenger crank 5: the principle is to break the edges of the crank 5, by one or more small cuts 13' for example in a circular arc, on the part of the crank 5 closest to the axis 4. Advantageously, there is provided a cutout 13 'on each of the two edges of the crank.

Claims

REVENDICATIONS
1. Dispositif d'entraînement d' essuie-vitre d'un véhicule automobile, du type comprenant au moins deux organes d'entraînement constitués d'une bielle (6) et d'une manivelle (5) d'entraînement de l'axe (4) d'un balai d'essuie-vitre, certaines parties de la bielle (6) et/ou de la manivelle (5) passant au-dessus d'une écope (10) d'entrée d'air du système d'aération et de chauffage du véhicule, caractérisé par un casse- goutte (12, 12') placé sur la bielle (6) et/ou la manivelle (5) à un endroit éloigné du surplomb de ladite écope (10) d'entrée d'air.1. Device for wiper drive of a motor vehicle, of the type comprising at least two drive members consisting of a connecting rod (6) and a crank (5) driving the axis (4) a windscreen wiper blade, some parts of the connecting rod (6) and / or the crank (5) passing over an air intake scoop (10) of the windscreen wiper system; aeration and heating of the vehicle, characterized by a drip (12, 12 ') placed on the connecting rod (6) and / or the crank (5) at a place remote from the overhang of said inlet scoop (10) air.
2. Dispositif selon la revendication 1 , caractérisé en ce que le casse-goutte (12, 12') est constitué par une rupture de la surface de l'organe où il est disposé.2. Device according to claim 1, characterized in that the drip (12, 12 ') is constituted by a rupture of the surface of the organ where it is arranged.
3. Dispositif selon la revendication 2, caractérisé en ce que le casse-goutte (12) est constitué par un relief abrupt formé sur cette surface.3. Device according to claim 2, characterized in that the drip (12) is constituted by an abrupt relief formed on this surface.
4. Dispositif selon la revendication 3, caractérisé en ce que le casse-goutte (12) est placé sur la bielle (6). 4. Device according to claim 3, characterized in that the drip (12) is placed on the connecting rod (6).
5. Dispositif selon l'une quelconque des revendications 3 ou 4, caractérisé en ce que le casse-goutte (12) est constitué de deux ergots (13) saillants séparés par quelques millimètres et placés sous la surface inférieure de la bielle.5. Device according to any one of claims 3 or 4, characterized in that the drip (12) consists of two lugs (13) projecting separated by a few millimeters and placed under the lower surface of the connecting rod.
6. Dispositif selon la revendication 2, caractérisé en ce que le casse-goutte (12') est constitué par une découpe (13 ') dans la surface de l'organe ou dans des arêtes de la surface.6. Device according to claim 2, characterized in that the drip (12 ') is constituted by a cutout (13') in the surface of the body or in the edges of the surface.
7. Dispositif selon la revendication 6, caractérisé en ce que le casse-goutte (12') est placé sur la manivelle (5). 7. Device according to claim 6, characterized in that the drip (12 ') is placed on the crank (5).
PCT/FR2006/050924 2005-09-27 2006-09-21 Device for driving a windscreen wiper equipped with a drop-breaker WO2007036661A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008532834A JP5100653B2 (en) 2005-09-27 2006-09-21 Windshield wiper drive with drop breaker
EP06831212A EP1931543B1 (en) 2005-09-27 2006-09-21 Device for driving a windscreen wiper equipped with a drop-breaker
CN2006800355888A CN101272940B (en) 2005-09-27 2006-09-21 Device for driving a windscreen wiper equipped with a drop-breaker
DE602006016140T DE602006016140D1 (en) 2005-09-27 2006-09-21 DEVICE FOR DRIVING A DISC WIPER WITH DROUGHT BREAKER
AT06831212T ATE477151T1 (en) 2005-09-27 2006-09-21 DEVICE FOR DRIVING A WINDSHIELD WIPER WITH DROP BREAKER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0509862 2005-09-27
FR0509862A FR2891226B1 (en) 2005-09-27 2005-09-27 WINDSCREEN WIPER DRIVING DEVICE HAVING A DROPPER

Publications (2)

Publication Number Publication Date
WO2007036661A1 true WO2007036661A1 (en) 2007-04-05
WO2007036661A8 WO2007036661A8 (en) 2007-06-14

Family

ID=36345521

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2006/050924 WO2007036661A1 (en) 2005-09-27 2006-09-21 Device for driving a windscreen wiper equipped with a drop-breaker

Country Status (8)

Country Link
EP (1) EP1931543B1 (en)
JP (1) JP5100653B2 (en)
CN (1) CN101272940B (en)
AT (1) ATE477151T1 (en)
DE (1) DE602006016140D1 (en)
ES (1) ES2350252T3 (en)
FR (1) FR2891226B1 (en)
WO (1) WO2007036661A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL230181B1 (en) * 2015-07-24 2018-10-31 Valeo Autosystemy Spolka Z Ograniczona Odpowiedzialnoscia Dependent span assembly, in particular for the mechanism of automotive windscreen wipers and the automotive windscreen wiper mechanism that contains such assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788681A (en) * 1971-03-25 1974-01-29 Daimler Benz Ag Arrangement of the drive and support of windshield wipers
US5522280A (en) * 1993-12-23 1996-06-04 United Technologies Motor Systems, Inc. Connecting links for windshield wipers and method for fabricating the link
DE19963918A1 (en) * 1999-12-31 2001-07-05 Valeo Auto Electric Gmbh Gear motor for vehicle windscreen wiper arrangement, has water stripping edge mounted on wiper lever on its side facing gear motor housing and close to output shaft
US6691366B1 (en) * 1999-08-27 2004-02-17 Robert Bosch Gmbh Wiper system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935147U (en) * 1982-08-30 1984-03-05 日野自動車株式会社 wiper link
JP3982745B2 (en) * 2002-02-20 2007-09-26 自動車電機工業株式会社 Waterproof structure of wiper pivot device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3788681A (en) * 1971-03-25 1974-01-29 Daimler Benz Ag Arrangement of the drive and support of windshield wipers
US5522280A (en) * 1993-12-23 1996-06-04 United Technologies Motor Systems, Inc. Connecting links for windshield wipers and method for fabricating the link
US6691366B1 (en) * 1999-08-27 2004-02-17 Robert Bosch Gmbh Wiper system
DE19963918A1 (en) * 1999-12-31 2001-07-05 Valeo Auto Electric Gmbh Gear motor for vehicle windscreen wiper arrangement, has water stripping edge mounted on wiper lever on its side facing gear motor housing and close to output shaft

Also Published As

Publication number Publication date
CN101272940B (en) 2011-11-23
CN101272940A (en) 2008-09-24
EP1931543A1 (en) 2008-06-18
FR2891226A1 (en) 2007-03-30
ATE477151T1 (en) 2010-08-15
WO2007036661A8 (en) 2007-06-14
JP5100653B2 (en) 2012-12-19
JP2009509851A (en) 2009-03-12
DE602006016140D1 (en) 2010-09-23
FR2891226B1 (en) 2007-11-30
EP1931543B1 (en) 2010-08-11
ES2350252T3 (en) 2011-01-20

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